Results 51 to 60 of about 307 (89)

A Semi-Analytical Legendre–Ritz Method to Dynamically Analyze a Stepped Functionally Graded Cylindrical Shell

open access: yesVibration
This study introduces the dynamic characteristics of stepped functionally graded (FG) cylindrical shells under general boundary conditions using the Legendre–Ritz method.
Yanbin Shen   +3 more
doaj   +1 more source

Nonlinear Vibrations and Control of Wind Towers With Variable Cross Section and Elastic Foundation

open access: yesStructural Control and Health Monitoring, Volume 2026, Issue 1, 2026.
This study proposes a comprehensive nonlinear modeling and vibration control framework for wind towers subjected to the simultaneous and often conflicting demands of aerodynamic and seismic excitations. The primary contribution of this work involves the development of a fully geometrically nonlinear, high‐fidelity coupled tower–nacelle–blade model that
Manus Saintilma   +3 more
wiley   +1 more source

Analytical method comparison on critical force of the stepped column model of telescopic crane

open access: yesAdvances in Mechanical Engineering, 2018
The calculation of the critical force of the stepped column model of telescopic boom crane is the key to stability calculation of all-terrain crane. In slightly bending theory, differential equation can be built up, and then the deflection curve of ideal
Fenglin Yao   +4 more
doaj   +1 more source

Inverse‐designed gyrotropic scatterers for non‐reciprocal analog computing

open access: yesNanophotonics, Volume 14, Issue 27, Page 5011-5021, December 2025.
Abstract While conventional von Neumann based machines are increasingly challenged by modern day requirements, electromagnetic analog computing devices promise to provide a platform that is highly parallel, efficient and fast. Along this paradigm, it has been shown that arrays of subwavelength electromagnetic scatterers can be used as solvers of ...
Nikolas Hadjiantoni   +4 more
wiley   +1 more source

Randomized Orthogonalization Process With Reorthogonalization

open access: yesNumerical Linear Algebra with Applications, Volume 32, Issue 4, August 2025.
ABSTRACT The dimension reduction technique of random sketching is advantageous in significantly reducing computational complexity. In orthogonalization processes like the Gram‐Schmidt (GS) algorithm, incorporating random sketching results in a halving of computational costs compared to the classical/modified Gram‐Schmidt (CGS/MGS) algorithms, while ...
Yongseok Jang, Laura Grigori
wiley   +1 more source

A Unified Spectro-Geometric-Ritz Method for Vibration Analysis of Open and Closed Shells with Arbitrary Boundary Conditions

open access: yesShock and Vibration, 2016
This paper presents free vibration analysis of open and closed shells with arbitrary boundary conditions using a spectro-geometric-Ritz method. In this method, regardless of the boundary conditions, each of the displacement components of open and closed ...
Dongyan Shi   +4 more
doaj   +1 more source

Quasicomparison Functions and Substructure Synthesis for Framed Structures Stability Analysis

open access: yesLatin American Journal of Solids and Structures
The Rayleigh-Ritz-Meirovitch substructure synthesis method (RRMSSM) is extended to buckling analysis in framed structures. The objective is a computational procedure capable of yielding very accurate critical loads through solution of very-low-order ...
J. I. Colombo, C. A. Morales
doaj   +1 more source

Bending and Deformation of Sandwich Panels Due to Localized Pressure

open access: yesITB Journal of Engineering Science, 2005
Bending and deformation of sandwich panels due to localized pressure were analyzed using both Rayleigh-Ritz and finite element methods. The faces were made of laminated composite plates, while the core was a honeycomb material.
Bambang K. Hadi, A. Fajar
doaj  

Free and Forced Vibration Analysis of Airtight Cylindrical Vessels with Doubly Curved Shells of Revolution by Using Jacobi-Ritz Method

open access: yesShock and Vibration, 2017
This paper presents free and forced vibration analysis of airtight cylindrical vessels consisting of elliptical, paraboloidal, and cylindrical shells by using Jacobi-Ritz Method.
Fuzhen Pang   +4 more
doaj   +1 more source

An Analysis of Nonlinear Axisymmetric Structural Vibrations of Circular Plates with the Extended Rayleigh–Ritz Method

open access: yesMathematics
The nonlinear deformation and vibrations of elastic plates represent a fundamental problem in structural vibration analysis, frequently encountered in engineering applications and classical mathematical studies.
Jie Han   +6 more
doaj   +1 more source

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